FUNAI T3A-A8182DB, Руководство по обслуживанию

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Hi-Fi Audio Selector Block Diagram
E3B40BLH
48
47
14
15
78
R-CH INSEL
L-CH INSEL
NOR SW
SERIAL DATA DECODER
OUTPUT SELECT
VCO
LPF
L-CH BPF
R-CH PNR L-CH PNR
LIM
DEV
COMP
SW NOISE
VCO
LPF
LIM
DEV
COMP
COMP
SW NOISE
MIX R-CH BPF
P R
R L
P R
HOLD PULSE NOISE DET
DO DET
ENV DET
34
33
76 77 74 37 38 39 75 73
26
21 24 27
N-A-REC VCR-AUDIO-OUT(R) VCR-AUDIO-OUT(L)
LIM
80
N-A-PB
Hi-Fi-H-SW
A-MODE
TO AUDIO BLOCK DIAGRAM
TO AUDIO SELECTOR BLOCK DIAGRAM
IIC-BUS SDA
VCR-AUDIO-IN(L)
VCR-AUDIO-IN(R)
IIC-BUS SCL
TO SERVO/ SYSTEM CONTROL BLOCK DIAGRAM
AV CBA
Hi-Fi-
A
U
DIO(R)
7
Hi-Fi
-COM
8
Hi-Fi-
A
U
DIO(L)
9
CN251
IC451
( Hi-Fi AUDIO PROCESS)
REC-AUDIO SIGNAL
PB-AUDIO SIGNAL
Mode : SP/REC
Q451
MUTE-ON MUTE-ON
50
4
Hi-Fi AUDIO(R) HEAD Hi-Fi AUDIO(L) HEAD
CYLINDER ASSEMBLY
(DECK ASSEMBLY)
TO AUDIO SELECTOR BLOCK DIAGRAM